U.S. patent number 11,205,920 [Application Number 16/862,242] was granted by the patent office on 2021-12-21 for emergency starting power supply and emergency start method.
This patent grant is currently assigned to SHENZHEN CARKU TECHNOLOGY CO., LIMITED. The grantee listed for this patent is SHENZHEN CARKU TECHNOLOGY CO., LIMITED. Invention is credited to Yun Lei, Mingxing Ouyang, Zhifeng Zhang.
United States Patent |
11,205,920 |
Lei , et al. |
December 21, 2021 |
Emergency starting power supply and emergency start method
Abstract
The present disclosure discloses an emergency starting power
supply, which comprises an energy storage module, an output
interface, a first detection module, a switch module and a control
module. The first detection module is electrically connected to the
output interface, and detects a voltage of an automotive battery
through the output interface when the output interface is connected
to the automotive battery. The switch module is electrically
connected between the energy storage module and the output
interface. The control module is electrically connected to the
first detection module and the switch module, respectively. The
control module is used to determine whether a voltage drop of the
battery within a first preset time is greater than a preset voltage
drop based on the voltage detected by the first detection module.
The control module controls switch module to close to switch on the
electrical connection between the energy storage module and the
output interface when the voltage drop in the first preset time of
the battery is greater than the preset voltage drop, so that the
energy storage module provides an emergency starting current
through the output interface and the battery to start an automobile
in an emergency. The present disclosure also discloses an emergency
starting method. The present disclosure can improve the usage
efficiency of the emergency starting power supply.
Inventors: |
Lei; Yun (Guangdong,
CN), Ouyang; Mingxing (Guangdong, CN),
Zhang; Zhifeng (Guangdong, CN) |
Applicant: |
Name |
City |
State |
Country |
Type |
SHENZHEN CARKU TECHNOLOGY CO., LIMITED |
Guangdong |
N/A |
CN |
|
|
Assignee: |
SHENZHEN CARKU TECHNOLOGY CO.,
LIMITED (Shenzhen, CN)
|
Family
ID: |
1000006005445 |
Appl.
No.: |
16/862,242 |
Filed: |
April 29, 2020 |
Prior Publication Data
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Document
Identifier |
Publication Date |
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US 20200295592 A1 |
Sep 17, 2020 |
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Foreign Application Priority Data
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Mar 11, 2019 [CN] |
|
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201910182347.5 |
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Current U.S.
Class: |
1/1 |
Current CPC
Class: |
B60R
16/033 (20130101); H02J 9/06 (20130101) |
Current International
Class: |
H02J
9/06 (20060101); B60R 16/033 (20060101) |
Field of
Search: |
;307/10.1,10.6 |
References Cited
[Referenced By]
U.S. Patent Documents
Foreign Patent Documents
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205901352 |
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Jan 2017 |
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CN |
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205901352 |
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Jan 2017 |
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CN |
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107910951 |
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Apr 2018 |
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CN |
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207283184 |
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Apr 2018 |
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CN |
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207388879 |
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May 2018 |
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CN |
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109412225 |
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Mar 2019 |
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CN |
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2013123943 |
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Aug 2013 |
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WO |
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2018000130 |
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Jan 2018 |
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WO |
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Other References
The European Search Report issued in corresponding European Patent
Application No. EP20171066, dated Aug. 7, 2020, European Patent
Office, Munich, Germany. cited by applicant .
Chinese Office Action issued in corresponding Chinese Application
No. 201910182347.5, dated May 25, 2020, pp. 1-8, State Intellectual
Property Office of P.R. of China, Beijing, China. cited by
applicant.
|
Primary Examiner: Fin; Michael R.
Attorney, Agent or Firm: Hauptman Ham, LLP
Claims
The invention claimed is:
1. An emergency starting power supply, comprising: an energy
storage module for storing and providing electrical energy; an
output interface electrically connected to the energy storage
module; a first detection module electrically connected to the
output interface, wherein the first detection module detects a
voltage of an automotive battery through the output interface when
the output interface is connected to the automotive battery; a
second detection module electrically connected to the energy
storage module, wherein the second detection module is configured
to detect a voltage of the energy storage module; a switch module
electrically connected between the energy storage module and the
output interface; and a control module electrically connected to
the first detection module, the second detection module, and the
switch module, respectively, wherein the control module is
configured to determine whether the voltage of the energy storage
module is greater than the voltage of the battery based on the
voltage detected by the first detection module and the second
detection module when the output interface is connected to the
automotive battery, and determine whether a voltage drop of the
battery within a first preset duration is greater than a preset
voltage drop based on the voltage detected by the first detection
module; and the control module is further configured to turn on the
switch module to switch on an electrical connection between the
energy storage module and the output interface, when the voltage of
the energy storage module is greater than the voltage of the
battery and the voltage drop of the battery within the first preset
duration is greater than the preset voltage drop, so that the
energy storage module provides an emergency starting current
through the output interface and the battery to start an automobile
in an emergency.
2. The emergency starting power supply according to claim 1,
wherein after the switch module is turned on, the control module
further determines whether a duration during which the switch
module is in an on state is greater than a second preset duration,
and the control module turns off the switch module to switch off
the electrical connection between the energy storage module and the
output interface when the duration during which the switch module
is in the on state is greater than the second preset duration.
3. The emergency starting power supply according to claim 2,
wherein the second preset duration is 4-6 s.
4. The emergency starting power supply according to claim 1,
wherein the emergency starting power supply further comprises a
prompt module electrically connected to the control module; the
control module is further configured to control the prompt module
to send the corresponding prompt information when the voltage of
the energy storage module is not greater than the voltage of the
battery.
5. The emergency starting power supply according to claim 1,
wherein the switch module is in an off state by default.
6. The emergency starting power supply according to claim 5,
wherein the control module is further configured to determine
whether the emergency starting power supply is electrically
connected to the battery based on the voltage detected by the first
detection module; wherein the control module is further configured
to determine that the battery has been connected to the emergency
starting power supply when the voltage detected by the first
detection module is greater than a voltage threshold.
7. The emergency starting power supply according to claim 1,
wherein the switch module comprises a relay and an electronic
switch, the relay is electrically connected between the energy
storage module and the output interface, and the electronic switch
is electrically connected between the relay and the control module,
the control module controls an on-off state of the relay by
controlling an on-off state of the electronic switch, thereby
controlling a state of the electrical connection between the energy
storage module and the output interface.
8. The emergency starting power supply according to claim 1,
wherein the emergency starting power supply further comprises: a
connection assembly, one end of the connection assembly is
detachably connected to the output interface, and the other end is
detachably connected to the battery.
9. An emergency starting method used in the emergency starting
power supply of claim 1, wherein the emergency starting method
comprises: detecting a voltage of an automotive battery and
detecting a voltage of the energy storage module, when the output
interface is connected to the automotive battery; determining
whether the voltage of the energy storage module is greater than
the voltage of the battery based on the detected voltage of the
energy storage module and the detected voltage of the battery, and
determining whether a voltage drop of the battery within a first
preset duration is greater than a preset voltage drop based on the
detected voltage of the battery; and turning on the switch module
to switch on an electrical connection between the energy storage
module and the output interface, when the voltage of the energy
storage module is greater than the voltage of the battery and the
voltage drop of the battery within the first preset duration is
greater than the preset voltage drop, so that the energy storage
module provides an emergency starting current to an automotive
engine through the output interface and the battery to start the
automobile in an emergency.
10. The emergency starting method according to claim 9, wherein
after the switch module is turned on, the emergency starting method
further comprises: determining whether a duration during which the
switch module is in an on state is greater than a second preset
duration after the switch module is turned on; and turning off the
switch module to switch off the electrical connection between the
energy storage module and the output interface when the duration
during which the switch module is in the on state is greater than
the second preset duration.
11. The emergency starting method according to claim 9, wherein the
emergency starting method further comprises: determine whether the
emergency starting power supply is electrically connected to the
battery based on the according to the detected voltage of the
battery; determine that the battery has been connected to the
emergency starting power supply when the detected voltage of the
battery is greater than a voltage threshold.
Description
RELATED APPLICATION
The present application claims priority to Chinese Patent
Application No. 2019101823475, filed Mar. 11, 2019, which is
incorporated herein by reference.
TECHNICAL FIELD
The present disclosure relates to the technical field of automotive
power supply, and in particular, to an emergency starting power
supply and an emergency starting method.
BACKGROUND
As a starting power supply for automobiles, lead-acid batteries
have always dominated the automotive field due to their advantages
such as high and low temperature tolerance, high safety, high
charge and discharge efficiency, low cost, and easy maintenance.
However, after long-term use, lead-acid batteries will also
experience problems such as aging, less charge and discharge
cycles, and severe decay by high-current charge and discharge. As a
result, the automobile cannot start normally due to insufficient
power supply of lead-acid batteries. Therefore, an emergency
starting power supply capable of starting the automobile in an
emergency when the power supply from the internal battery is
insufficient is widely welcomed by people.
Most of the automotive existing emergency starting power supplies
use lead-acid batteries or lithium-ion batteries as energy storage
units, so as to provide an emergency starting current to the
automobile through the energy storage unit when the power supply of
the internal battery of the automobile is insufficient.
However, once the existing emergency starting power supply is
connected to the automotive battery, it will automatically output
power to the battery, that is, it will automatically charge the
battery. Thereby the power of the emergency starting power supply
is wasted, decreasing the usage efficiency of the emergency
starting power supply. In addition, if the automobile is not
started in time, it is easy to run out of the power of the energy
storage unit in the emergency starting power supply and can no
longer to start the automobile.
SUMMARY
An embodiment of the disclosure discloses an emergency starting
power supply and an emergency starting method to solve the above
problems.
An embodiment of the present disclosure discloses an emergency
starting power supply, comprising:
an energy storage module for storing and providing electrical
energy,
an output interface electrically connected to the energy storage
module,
a first detection module electrically connected to the output
interface; wherein the first detection module detects a voltage of
an automotive battery through the output interface when the output
interface is connected to the automotive battery,
a switch module electrically connected between the energy storage
module and the output interface, and
a control module electrically connected to the first detection
module and the switch module, respectively; wherein the control
module is used to determine whether a voltage drop of the battery
within a first preset duration is greater than a preset voltage
drop based on the voltage detected by the first detection unit; and
the control module is further used to turn on the switch module to
switch on an electrical connection between the energy storage
module and the output interface when the voltage drop within the
first preset duration of the battery is greater than the preset
voltage drop, so that the energy storage module provides an
emergency starting current through the output interface and the
battery to start an automobile in an emergency.
An embodiment of the present disclosure also discloses an emergency
starting method used in an emergency starting power supply
comprising an energy storage module and an output interface,
wherein the emergency starting power supply further comprises a
switch module electrically connected between the energy storage
module and the output interface, and the emergency starting method
comprises:
detecting a voltage of an automotive battery when the output
interface is connected to the automotive battery,
determining whether a voltage drop of the battery within a first
preset duration is greater than a preset voltage drop based on the
detected voltage of the battery, and
turning on the switch module to switch on an electrical connection
between the energy storage module and the output interface, when
the voltage drop of the battery within the first preset duration is
greater than the preset voltage drop, so that the energy storage
module provides an emergency starting current to an automotive
engine through the output interface and the battery to start the
automobile in an emergency.
According to the emergency starting power supply and the emergency
starting method of the present disclosure, when the emergency
starting power supply is connected to the battery, the energy
storage module does not output electrical energy to the battery,
thereby preventing the emergency starting power supply from
automatically charging the battery. When a decrease in the voltage
of the battery is detected and the voltage drop within the first
preset duration reaches the preset voltage drop, the switch module
is turned on to switch on the electrical connection between the
energy storage module and the output interface. At this time, the
energy storage module can provide electrical energy to the battery
to start the automobile in an emergency, thereby improving the
usage efficiency of the emergency starting power.
BRIEF DESCRIPTION OF THE DRAWINGS
In order to illustrate the technical solutions in the embodiments
of the present disclosure more clearly, the drawings used in the
embodiments will be briefly introduced below. Obviously, the
drawings in the following description are only some embodiments of
the present disclosure. Those of ordinary skill in the art can
obtain other drawings according to these drawings without creative
efforts.
FIG. 1 is a schematic diagram of using an emergency starting power
supply according to an embodiment of the present disclosure.
FIG. 2 is a principle block diagram of an emergency starting power
supply according to another embodiment of the present
disclosure.
FIG. 3 is a principle block diagram of an emergency starting power
supply according to another embodiment of the present
disclosure.
FIG. 4 is a circuit schematic diagram of an emergency starting
power supply according to an embodiment of the present
disclosure.
FIG. 5 is a flowchart of steps of an emergency starting method
according to an embodiment of the present disclosure.
FIG. 6 is a flowchart of steps of an emergency starting method
according to another embodiment of the present disclosure.
DETAILED DESCRIPTION
In the following, the technical solutions in the embodiments of the
present disclosure will be clearly and completely described with
reference to the drawings in the embodiments of the present
disclosure. Obviously, the embodiments described are only a part of
the embodiments of the present disclosure, but not all of them.
Based on the embodiments of the present disclosure, all other
embodiments obtained by a person of ordinary skill in the art
without creative efforts shall fall within the protection scope of
the present disclosure.
When an element is considered to be "connected" to another element,
it can be directly connected to another element or intervening
elements may also be present. Unless defined otherwise, all
technical and scientific terms used herein have the same meaning as
commonly understood by person of ordinary skill in the art to which
this disclosure belongs. The terminology used herein in the
description of the disclosure is for the purpose of describing
particular embodiments only and is not intended to limit the
disclosure.
Please refer to FIG. 1, which is a schematic diagram of using an
emergency starting power supply 100 according to an embodiment of
the present disclosure. The emergency starting power supply 100 may
be connected to the anode and cathode of a battery (accumulator)
800 in an automobile. Because the automotive battery 800 is
connected to an automobile engine, after the emergency starting
power supply 100 is connected to the automotive battery 800, both
of them can provide the starting current together to the automobile
engine.
Please refer to FIG. 2, which is a schematic block diagram of the
emergency starting power supply 100 according to an embodiment of
the present disclosure. As shown in FIG. 2, the emergency starting
power supply 100 comprises a main body 10, wherein the main body 10
comprises an energy storage module 11, an output interface 12, a
first detection module 13, a switch module 14, and a control module
15. The energy storage module 11 is used to store and provide
electrical energy. The output interface 12 is electrically
connected to the energy storage module 11 and the battery 800 of
the automobile. The energy storage module 11 is used to output an
emergency starting current through the output interface 12 to start
the automobile.
The first detection module 13 is electrically connected to the
output interface 12, and when the output interface 12 is connected
to the battery 800, the first detection module 13 detects the
voltage of the battery 800 through the output interface 12.
The switch module 14 is electrically connected between the energy
storage module 11 and the output interface 12, and is used to
switch off or establish an electrical connection between the energy
storage module 11 and the output interface 12. In this embodiment,
the switch module 14 is in an off state by default.
The control module 15 is electrically connected to the first
detection module 13 and the switch module 14, respectively. The
control module 15 is used to determine whether the voltage drop of
the battery 800 within the first preset duration is greater than a
preset voltage drop according to the voltage detected by the first
detection module 13, and turn on the switch module 14 to switch on
the electrical connection between the energy storage module 11 and
the output interface 12 when the voltage drop of the battery 800
within the first preset duration is greater than the preset voltage
drop, so that the energy storage module 11 provide an emergency
starting current to an automobile engine through the output
interface 12 and the battery 800 to start the automobile in an
emergency. Wherein, the emergency starting current provided by the
emergency starting power supply 100 to the automobile engine is an
instantaneous high current. For example, the instantaneous high
current can be more than 1000 A, which can be set according to
actual use conditions, and is not specifically limited herein.
It can be understood that according to different specific designs,
the energy storage module 11 may include different numbers of
multiple battery modules connected in series. For example, if the
output voltage of the energy storage module 11 is required to be
high, a larger number of battery modules may be connected in
series. If the energy storage module 11 is required to output a
lower voltage, a smaller number of battery modules may be connected
in series. The specific number of battery modules is not limited
herein.
Further, each battery module may include a single battery, or may
be consist of multiple single batteries connected in parallel
thereby increasing the output current of the energy storage module
11. In this embodiment, the single battery is preferably a
lithium-ion battery that is light in weight, energy saving, and
environmentally friendly.
In some embodiments, the control module 15 determines whether the
emergency starting power supply 100 is electrically connected to
the battery 800 according to the voltage detected by the first
detection module 13. Specifically, since the switch module 14 is in
an off state by default, when the voltage detected by the first
detection module 13 is greater than a voltage threshold, it means
that the battery 800 has been connected to the emergency starting
power supply 100. If the voltage detected by the first detection
module 13 is not greater than the voltage threshold, it means that
the battery 800 is not connected to the emergency starting power
supply 100. Wherein, the voltage threshold can be set to 0.5V. Of
course, the voltage threshold can also be set according to specific
conditions. In other embodiments, whether the emergency starting
power supply 100 is electrically connected to the battery 800 may
be determined according to other methods. For example, when the
emergency starting power supply 100 and the battery 800 are
electrically connected, a trigger signal is generated to the
control module 15.
According to the emergency starting power supply 100 disclosed in
the embodiment of the present disclosure, when the emergency
starting power supply 100 is connected to the battery 800, the
energy storage module 11 does not output electrical energy to the
battery 800, which can prevent the emergency starting power supply
100 automatically charging the battery 800. When a decrease in the
voltage of the battery 800 is detected and the voltage drop within
the first preset duration reaches the preset voltage drop, the
switch module 14 is turned on to switch on the electrical
connection between the energy storage module 11 and the output
interface 12. At this time, the energy storage module 11 can
provide electrical energy to the battery 800 to start the
automobile in an emergency, thereby improving the usage efficiency
of the emergency starting power supply 100.
It should be noted that when the automobile's start button is
pressed or the key is in the "ON" state, it means that the
automobile is about to start. At this time, the voltage of the
battery 800 will decrease. Therefore, when the voltage drop of the
battery 800 is detected, it can be determined that the automobile
needs to be started. At this time, the switch module 14 is turned
on to establish an electrical connection between the energy storage
module 11 and the output interface 12, so that the energy storage
module 11 can provide emergency starting current to the automobile
to start the automobile. The emergency starting power supply 100
disclosed in the embodiment of the present disclosure outputs
electrical energy only when the automobile is ignited. When the
automobile is not ignited, although the emergency starting power
supply 100 is connected to the battery 800, it does not output
power. Therefore, even if the user electrically connects the
emergency starting power supply 100 with the battery 800 but does
not start the automobile in time, the electrical energy of the
emergency starting power supply 100 will not be consumed, thereby
improving the usage efficiency of the emergency starting power
supply 100.
In some embodiments, the first preset duration may be 40 ms, and
the preset voltage drop may be 0.1V. In other implementations, the
preset duration and the preset voltage drop may be specifically
determined according to a specific vehicle type and a battery type,
and are not limited herein.
In some embodiments, in order to further improve the usage
efficiency of the emergency starting power supply 100 and avoid the
situation that the emergency starting power supply 100 still
outputs power to the battery 800 after the automobile is started,
when the switch module 14 is turned on, the control module 15
further determines whether a duration during which the switch
module 14 is in an on state is greater than a second preset
duration, and when the duration during which the switch module 14
is in the on state is greater than the second preset duration, the
control module 15 turns off the switch module 14 to switch off the
electrical connection between the energy storage module 11 and the
output interface 12, so that the energy storage module 11 stops
outputting electrical energy.
Wherein, since the starting time of an automobile is usually about
3 s, in order to ensure the starting time of the automobile, in a
preferred embodiment, the second preset duration is 4-6 s.
Please refer to FIG. 1 and FIG. 2 together. In some embodiments,
the emergency starting power supply 100 further includes a
connection component 20. One end of the connection assembly 20 is
detachably connected to the main body 10 through the output
interface 12, and the other end of the connection assembly 20 is
detachably connected to the battery 800.
Specifically, the output interface 12 includes a positive interface
a and a negative interface b. The connection assembly 20 includes a
first connection line 21 and a second connection line 22. One end
of the first connection line 21 is provided with a first positive
connection end c, and the other end of the first connection line 21
is provided with a second positive connection end d; one end of the
second connection line 22 is provided with a first negative
connection end e, and the other end of the second connection line
22 is provided with a second negative connection end f. Wherein,
the first positive connection end c can be electrically connected
to the positive interface a, the first negative connection end e
can be electrically connected to the negative interface b, the
second positive connection end d can be electrically connected to
the anode of the automotive battery 800, and the second negative
connection end f can be electrically connected to the cathode of
the automotive battery 800, so that the main body 10 of the
emergency starting power supply 100 can be electrically connected
to the automotive battery 800, and then the emergency starting
power supply 100 and the automotive battery 800 can provide an
emergency starting current to the automobile engine to start the
automobile in an emergency.
Optionally, the third positive connection end d is a positive clip,
and the third negative connection end f is a negative clip, so as
to facilitate the connection of the connection assembly 20 to the
automotive battery 800. However, the present disclosure does not
limit the specific forms of the positive interface a, the negative
interface b, the first positive connection end c, and the first
negative connection end e.
Please refer to FIG. 3. In some embodiments, the main body 10
further includes a second detection module 16. The second detection
module 16 is electrically connected to the energy storage module 11
and the control module 15 respectively, and is used to detect the
voltage of the energy storage module 11. The control module 15 is
further used to determine whether the voltage of the energy storage
module 11 is greater than the voltage of the battery 800 based on
the voltages detected by the first detection module 13 and the
second detection module 16 when the output interface 12 is
connected to the battery 800 of the automobile. When the voltage of
the energy storage module 11 is greater than the voltage of the
battery 800 and the voltage drop of the battery during the first
preset duration is greater than a preset voltage drop, the control
module 15 turns on the switch module 14, so that the emergency
starting power supply 100 can start the automobile normally.
In some embodiments, the main body 10 further includes a prompt
module 17. The prompt module 17 is electrically connected to the
control module 15. When the control module 15 determines that the
voltage of the energy storage module 11 is not greater than the
voltage of the battery 800, the control module 15 controls the
prompt module 17 to send a prompt message to prompt the user that
the emergency starting power supply 100 cannot start the automobile
and prevent the battery 800 from charging the emergency starting
power supply 100. Wherein, the prompt module 17 may be a light
emitting diode, a buzzer, or the like.
Wherein, the control module 15 may be a single-chip microcomputer,
a microcontroller (Micro Control Unit, MCU), or the like. The
control module 15 may include multiple signal acquisition pins,
control pins, and the like. Among them, the control module 15 may
further electrically connected to the first detection module 13 and
the second detection by its multiple signal acquisition pins, so as
to obtain the voltages of the battery 800 and the energy storage
module 11. The control module 15 can also be electrically connected
to the switch module 14 and the prompt module 17 by its control
pins to control the corresponding modules accordingly.
Please refer to FIG. 4, which is a schematic circuit diagram of an
emergency starting power supply 100 according to an embodiment of
the present disclosure. As shown in FIG. 4, the first detection
module 13 includes a first resistor R1 and a second resistor R2.
The first connection end of the first resistor R1 is electrically
connected to the positive interface a, and can further be
electrically connected to the anode of the battery 800 via the
positive interface a. The second connection end of the first
resistor R1 is grounded via the second resistor R2. The first
detection pin 1 of the control module 15 is connected to a
connection node between the first resistor R1 and the second
resistor R2.
When the main body 10 of the emergency starting power supply 100 is
not connected to the battery 800, the divided voltage across the
second resistor R2 is 0; when the main body 10 of the emergency
starting power supply 100 is connected to the battery 800 via the
connection assembly 20, the positive interface a is electrically
connected to the anode of the battery 800, and the negative
interface b is electrically connected to the cathode of the battery
800. At this time, the control module 15 can acquire the voltage of
the battery 800 by collecting the divided voltage across the second
resistor R2. Therefore, when the control module 15 detects that the
divided voltage across the second resistor R2 is greater than a
voltage threshold, it can be determined that the emergency starting
power supply 100 and the battery 800 are connected.
The switch module 14 includes a relay K and an electronic switch Q.
The relay K is electrically connected between the energy storage
module 11 and the output interface 12, and the electronic switch Q
is electrically connected between the relay K and the control
module 11. The control module 15 controls an on-off state of the
relay K by controlling an on-off state of the electronic switch Q,
thereby controlling the state of the electrical connection between
the energy storage module 11 and the output interface 12.
In some embodiments, the first connection end of the relay K is
electrically connected to the anode of the energy storage module
11; the second connection end of the relay K is electrically
connected to the positive interface a; the third connection end of
the relay K is connected to the anode of the energy storage module
11; and the fourth connection end of the relay K is electrically
connected to the first connection end of the electronic switch Q.
The control end of the electronic switch Q is connected to the
control pin 2 of the control module 15 is connected, and the second
connection end of the electronic switch Q is grounded.
In some embodiments, the relay K includes a coil J and a
single-pole single-throw switch S, and the first connection end and
the second connection end of the relay K correspond to a static
contact and a moving contact of the single-pole single-throw switch
S, respectively. The third connection end and the fourth connection
end of the relay K correspond to the two ends of the coil,
respectively.
In some embodiments, the electronic switch Q includes an N-type MOS
FET (Metal Oxide Semiconductor Field Effect Transistor), and the
first connection end, the second connection end, and the control
end of the electronic switch Q correspond to the drain, source and
grid of the N-type MOS field effect transistor, respectively.
Further, the electronic switch Q further includes a first diode D1,
an anode of the first diode D1 is connected to the source of the
MOS FET, and a cathode of the first diode D1 is connected to the
drain of the MOS FET. Wherein, the first diode D1 may be a
parasitic diode or a built-in diode of the MOS field effect
transistor.
In addition, the switch module 14 further includes an electrolytic
capacitor C1 and a second diode D2 to protect the relay K.
Specifically, the third connection end of the relay K is also
connected to the anode of the electrolytic capacitor C1, and the
cathode of the electrolytic capacitor C1 is grounded. An anode of
the second diode D2 is connected to a fourth connection end of the
relay K, and a cathode of the second diode D2 is connected to a
third connection end of the relay K, thereby forming a discharge
coil provide a circuit for the relay K when power off.
In addition, the switch module 13 may further include a third
resistor R3, and the second connection end of the electronic switch
Q is grounded through the third resistor R3.
When the main body 10 of the emergency starting power supply 100 is
not connected to the battery 800, the control module 15 outputs a
first level signal (a low level signal in this embodiment) to
control the MOS FET Q to be cut off, so that the coil of the relay
K is powered off, thereby the single-pole single-throw switch S is
controlled to be switched off, causing the energy storage module 11
stop outputting electrical energy to the battery 800.
When the main body 10 of the emergency starting power supply 100 is
connected to the battery 800, the control module 15 detects the
voltage of the battery 800 by the first detection module 13. When
it is detected that the divided voltage across the second resistor
R2 decreases, and the voltage drop within the preset duration is
greater than the preset voltage drop, it is determined that the
automobile is in the ignition state. At this time, the control pin
2 of the control module 15 outputs a second level signal (a high
level signal in this embodiment) to control the MOS FET Q to be
switched on, so that the coil J of the relay K is powered on,
thereby the single-pole single-throw switch S is turned on,
enabling the energy storage module 11 to output electrical energy
to the battery 800 to provide emergency starting current for
starting the automobile.
After the switch module 14 is turned on, the control module 15
further determines whether the duration during which the switch
module 14 is in an on state is greater than a second preset
duration. When the duration during which the switch module 14 is in
the on state is greater than the second preset duration, the first
level signal is output to control the MOS FET to be cut off, so
that the coil J of the relay K is powered off, and the single-pole
single-throw switch S is controlled to be switched off, which
causes the energy storage module 11 does not outputting electrical
energy, thereby the emergency starting power supply 100 can be
prevented from outputting electrical energy to the battery 800 when
it is connected to the battery 800.
The second detection module 16 includes a fourth resistor R4 and a
fifth resistor R5. A first connection end of the fourth resistor R4
is electrically connected to the anode of the energy storage module
11, and a second connection end of the fourth resistor R4 is
grounded through the fifth resistor R5. The second detection pin 3
of the control module 15 is connected to a connection node between
the fourth resistor R4 and the fifth resistor R5.
Similarly, the control module 15 can also learn the voltage of the
energy storage module 11 by detecting the divided voltage across
the fifth resistor R5. When the main body 10 of the emergency
starting power supply 100 is connected to the battery 800, the
control module 15 determines whether the voltage of the energy
storage module 11 is greater than the voltage of the battery 800,
and when the voltage across the fifth resistor R5 is greater than
the voltage of the battery 800, determines whether the voltage of
the energy storage module 11 is greater than the voltage of the
battery 800.
In addition, in some embodiments, the control module 15 further
includes a third detection pin 4, and detects a power supply
current of the energy storage module 11 through the third detection
pin 4. When the power supply current of the energy storage module
11 is greater than a preset current, the control module 15 turns
off the switch module 14 to protect the energy storage module 11.
As shown in FIG. 4, the control module 15 can determine whether the
output current of the energy storage module 11 is greater than a
preset current by detecting the voltage of the sixth resistor R6.
When the voltage of the sixth resistor R6 is greater than the
preset voltage, it is determined that the output current of the
energy storage module 11 is greater than the preset current.
Please refer to FIG. 5 again, an embodiment of the present
disclosure further provides an emergency starting method, which is
used in the emergency starting power supply 100 described above.
The emergency starting method comprises the following steps.
In step S51, when the output interface 12 is connected to the
battery 800, the voltage of the battery 800 is detected.
In step S52, it is determined whether the voltage drop of the
battery 800 within the first preset duration is greater than the
preset voltage drop; if YES, step S53 is performed; if NO, the
process returns to step S52.
In step S53, the switch module 14 is turned on to switch on the
electrically connection between the energy storage module 11 and
the output interface 12, so that the energy storage module 11
provides an emergency starting current to an automobile engine via
the output interface 12 and the battery 800 to start the automobile
in an emergency. In step S54, it is determined whether the duration
during which the switch module 14 is in an on state is greater than
a preset duration; if YES, step S55 is performed; if NO, the
process returns to step S54.
In step S55, the switch module 14 is turned off to switch off the
electrical connection between the energy storage module 11 and the
output interface 12.
Please refer to FIG. 6 again, which is a flowchart of an emergency
starting method according to another embodiment of the present
application. The emergency starting method is used in the emergency
starting power supply 100 described above. The emergency starting
method comprises the following steps.
In step S61, when the output interface is connected to the battery,
the voltages of the battery and the energy storage module 11 are
detected.
In step S62, it is determined whether the voltage of the energy
storage module 11 is greater than the voltage of the battery 800
according to the detected voltages of the energy storage module 11
and the voltage of the battery 800; if YES, step S63 is performed;
if NO, step S65 is performed.
In step S63, it is determined whether the voltage drop of the
battery 800 within the first preset duration is greater than the
preset voltage drop; if YES, step S64 is performed; if NO, the
process returns to step S63.
Wherein, step S63 is the same as step S52, and details are not
described herein again.
In step S64, the switch module 14 is turned on to establish an
electrical connection between the energy storage module 11 and the
output interface 12.
Wherein, step S64 is the same as step S53, and details are not
described herein again.
In step S65, the prompt module 17 is controlled to send prompt
information.
It should be noted that each of the foregoing embodiments of the
methods has been described as a combination of a series of actions
for brevity, but persons skilled in the art should understand that
the present disclosure is limited to the sequence in which the
actions are performed, because some of the actions can be performed
in a different sequence or simultaneously according to the present
disclosure. Furthermore, persons skilled in the art should also
understand that the implementations described in the present
disclosure are all preferable ones, while the actions and the units
described herein are not necessary for the present disclosure.
In the above embodiments, the description of each embodiment has
its own emphasis. For a part that is not described in detail in an
embodiment, reference may be made to related descriptions in other
embodiments. For the aforementioned embodiments, the description
for each embodiment has its own emphasis, and what is not described
in detail in one certain implementation may be known with reference
to relevant description for other implementations.
The steps in the methods according to the embodiment s of the
present disclosure may be merged or removed, and their sequence may
be adjusted, according to actual requirements.
The interactive method provided in this disclosure can be
implemented in hardware or firmware, or can be used as software or
computer code that can be stored in a readable storage medium such
as CD, ROM, RAM, floppy disk, hard disk, or magneto-optical disk,
or it can be used as the computer code originally stored on a
remote recording medium or non-transitory machine-readable medium,
downloaded over a network, and stored in a local recording medium,
so that the methods described herein can utilize a general purpose
computer or special processor or be in a programmable or dedicated
hardware such as ASIC or FPGA to be embodied in the form of
software stored on a recording medium. As can be understood in the
art, a computer, processor, microprocessor, controller, or
programmable hardware includes a memory component, such as RAM,
ROM, flash memory, etc. When a computer, processor, or hardware
implements the processing method described herein to access and
execute software or computer code, a memory component may store or
receive software or computer code. In addition, when a
general-purpose computer accesses code for implementing the
processing shown here, execution of the code converts the
general-purpose computer into a special-purpose computer for
performing the processing shown here.
The foregoing is the typical embodiments of the present disclosure.
It should be noted that, several improvements and modifications can
be made by persons skilled in the art without departing from the
principles of the present disclosure, and these improvements and
modifications also fall within the protection scope of the present
disclosure.
Wherein, the readable storage medium may be a solid-state memory, a
memory card, an optical disc, or the like. The readable storage
medium stores program instructions for a computer to call and
executes the foregoing interaction method.
It should be noted that the above embodiments are merely intended
for describing the technical solutions of the present disclosure
other than limiting the present disclosure. It also should be noted
that, for those of ordinary skill in the art, they can still make
modifications, improvements, or retouches to the technical
solutions described in the foregoing embodiments, or make
equivalent substitutions to part of or all the technical features
thereof. These modifications, improvements, retouches, or
substitutions shall be within the protection scope of the present
disclosure.
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